UPPER MACUNGIE TOWNSHIP, Pa. - A father of three who was doing nothing more than simply pumping gas was shot and killed at a Wawa in Upper Macungie Township early Wednesday morning. "Could've easily, could've easily been me," witness Matthew Caldwell said.Caldwell says he doesn't usually stop anywhere before work but Wednesday he wanted an energy drink."All of the sudden I hear a pop, um and then a slight pause and two or three more pops," he said.Sitting at the Upper Macungie Township Wawa along busy Route 100 and Schantz Road, He says he looked to his left and saw a man fall out of his jeep, wounded, screaming for help.He took cover under his car and sprinted towards the back entrance where an employee ushered him inside and locked the.